483 lines
15 KiB
Python
483 lines
15 KiB
Python
# pylint: disable=redefined-outer-name,missing-function-docstring,protected-access
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""" Tests on opening hours helpers """
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import psycopg2
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import pytest
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from mylib.pgsql import PgDB
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class FakePsycopg2Cursor:
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"""Fake Psycopg2 cursor"""
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def __init__(
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self, expected_sql, expected_params, expected_return, expected_just_try, expected_exception
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):
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self.expected_sql = expected_sql
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self.expected_params = expected_params
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self.expected_return = expected_return
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self.expected_just_try = expected_just_try
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self.expected_exception = expected_exception
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def execute(self, sql, params=None):
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if self.expected_exception:
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raise psycopg2.Error(f"{self}.execute({sql}, {params}): expected exception")
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if self.expected_just_try and not sql.lower().startswith("select "):
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assert False, f"{self}.execute({sql}, {params}) may not be executed in just try mode"
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# pylint: disable=consider-using-f-string
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assert (
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sql == self.expected_sql
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), "%s.execute(): Invalid SQL query:\n '%s'\nMay be:\n '%s'" % (
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self,
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sql,
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self.expected_sql,
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)
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# pylint: disable=consider-using-f-string
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assert (
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params == self.expected_params
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), "%s.execute(): Invalid params:\n %s\nMay be:\n %s" % (
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self,
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params,
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self.expected_params,
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)
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return self.expected_return
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def fetchall(self):
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return self.expected_return
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def __repr__(self):
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return (
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f"FakePsycopg2Cursor({self.expected_sql}, {self.expected_params}, "
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f"{self.expected_return}, {self.expected_just_try})"
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)
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class FakePsycopg2:
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"""Fake Psycopg2 connection"""
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expected_sql = None
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expected_params = None
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expected_return = True
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expected_just_try = False
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expected_exception = False
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just_try = False
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def __init__(self, **kwargs):
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allowed_kwargs = dict(dbname=str, user=str, password=(str, None), host=str)
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for arg, value in kwargs.items():
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assert arg in allowed_kwargs, f'Invalid arg {arg}="{value}"'
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assert isinstance(
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value, allowed_kwargs[arg]
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), f"Arg {arg} not a {allowed_kwargs[arg]} ({type(value)})"
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setattr(self, arg, value)
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def close(self):
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return self.expected_return
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def set_client_encoding(self, *arg):
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self._check_just_try()
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assert len(arg) == 1 and isinstance(arg[0], str)
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if self.expected_exception:
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raise psycopg2.Error(f"set_client_encoding({arg[0]}): Expected exception")
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return self.expected_return
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def cursor(self):
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return FakePsycopg2Cursor(
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self.expected_sql,
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self.expected_params,
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self.expected_return,
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self.expected_just_try or self.just_try,
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self.expected_exception,
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)
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def commit(self):
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self._check_just_try()
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return self.expected_return
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def rollback(self):
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self._check_just_try()
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return self.expected_return
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def _check_just_try(self):
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if self.just_try:
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assert False, "May not be executed in just try mode"
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def fake_psycopg2_connect(**kwargs):
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return FakePsycopg2(**kwargs)
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def fake_psycopg2_connect_just_try(**kwargs):
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con = FakePsycopg2(**kwargs)
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con.just_try = True
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return con
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@pytest.fixture
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def test_pgdb():
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return PgDB("127.0.0.1", "user", "password", "dbname")
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@pytest.fixture
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def fake_pgdb(mocker):
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mocker.patch("psycopg2.connect", fake_psycopg2_connect)
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return PgDB("127.0.0.1", "user", "password", "dbname")
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@pytest.fixture
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def fake_just_try_pgdb(mocker):
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mocker.patch("psycopg2.connect", fake_psycopg2_connect_just_try)
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return PgDB("127.0.0.1", "user", "password", "dbname", just_try=True)
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@pytest.fixture
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def fake_connected_pgdb(fake_pgdb):
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fake_pgdb.connect()
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return fake_pgdb
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@pytest.fixture
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def fake_connected_just_try_pgdb(fake_just_try_pgdb):
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fake_just_try_pgdb.connect()
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return fake_just_try_pgdb
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def generate_mock_args(
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expected_args=(), expected_kwargs={}, expected_return=True
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): # pylint: disable=dangerous-default-value
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def mock_args(*args, **kwargs):
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# pylint: disable=consider-using-f-string
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assert args == expected_args, "Invalid call args:\n %s\nMay be:\n %s" % (
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args,
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expected_args,
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)
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# pylint: disable=consider-using-f-string
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assert kwargs == expected_kwargs, "Invalid call kwargs:\n %s\nMay be:\n %s" % (
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kwargs,
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expected_kwargs,
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)
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return expected_return
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return mock_args
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def mock_doSQL_just_try(self, sql, params=None): # pylint: disable=unused-argument
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assert False, "doSQL() may not be executed in just try mode"
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def generate_mock_doSQL(
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expected_sql, expected_params={}, expected_return=True
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): # pylint: disable=dangerous-default-value
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def mock_doSQL(self, sql, params=None): # pylint: disable=unused-argument
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# pylint: disable=consider-using-f-string
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assert sql == expected_sql, "Invalid generated SQL query:\n '%s'\nMay be:\n '%s'" % (
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sql,
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expected_sql,
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)
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# pylint: disable=consider-using-f-string
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assert params == expected_params, "Invalid generated params:\n %s\nMay be:\n %s" % (
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params,
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expected_params,
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)
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return expected_return
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return mock_doSQL
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# PgDB.doSelect() have same expected parameters as PgDB.doSQL()
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generate_mock_doSelect = generate_mock_doSQL
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mock_doSelect_just_try = mock_doSQL_just_try
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#
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# Test on PgDB helper methods
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#
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def test_combine_params_with_to_add_parameter():
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assert PgDB._combine_params(dict(test1=1), dict(test2=2)) == dict(test1=1, test2=2)
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def test_combine_params_with_kargs():
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assert PgDB._combine_params(dict(test1=1), test2=2) == dict(test1=1, test2=2)
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def test_combine_params_with_kargs_and_to_add_parameter():
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assert PgDB._combine_params(dict(test1=1), dict(test2=2), test3=3) == dict(
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test1=1, test2=2, test3=3
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)
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def test_format_where_clauses_params_are_preserved():
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args = ("test = test", dict(test1=1))
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assert PgDB._format_where_clauses(*args) == args
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def test_format_where_clauses_raw():
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assert PgDB._format_where_clauses("test = test") == ("test = test", {})
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def test_format_where_clauses_tuple_clause_with_params():
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where_clauses = ("test1 = %(test1)s AND test2 = %(test2)s", dict(test1=1, test2=2))
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assert PgDB._format_where_clauses(where_clauses) == where_clauses
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def test_format_where_clauses_dict():
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where_clauses = dict(test1=1, test2=2)
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assert PgDB._format_where_clauses(where_clauses) == (
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'"test1" = %(test1)s AND "test2" = %(test2)s',
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where_clauses,
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)
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def test_format_where_clauses_combined_types():
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where_clauses = ("test1 = 1", ("test2 LIKE %(test2)s", dict(test2=2)), dict(test3=3, test4=4))
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assert PgDB._format_where_clauses(where_clauses) == (
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'test1 = 1 AND test2 LIKE %(test2)s AND "test3" = %(test3)s AND "test4" = %(test4)s',
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dict(test2=2, test3=3, test4=4),
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)
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def test_format_where_clauses_with_where_op():
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where_clauses = dict(test1=1, test2=2)
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assert PgDB._format_where_clauses(where_clauses, where_op="OR") == (
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'"test1" = %(test1)s OR "test2" = %(test2)s',
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where_clauses,
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)
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def test_add_where_clauses():
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sql = "SELECT * FROM table"
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where_clauses = dict(test1=1, test2=2)
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assert PgDB._add_where_clauses(sql, None, where_clauses) == (
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sql + ' WHERE "test1" = %(test1)s AND "test2" = %(test2)s',
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where_clauses,
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)
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def test_add_where_clauses_preserved_params():
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sql = "SELECT * FROM table"
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where_clauses = dict(test1=1, test2=2)
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params = dict(fake1=1)
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assert PgDB._add_where_clauses(sql, params.copy(), where_clauses) == (
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sql + ' WHERE "test1" = %(test1)s AND "test2" = %(test2)s',
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dict(**where_clauses, **params),
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)
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def test_add_where_clauses_with_op():
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sql = "SELECT * FROM table"
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where_clauses = ("test1=1", "test2=2")
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assert PgDB._add_where_clauses(sql, None, where_clauses, where_op="OR") == (
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sql + " WHERE test1=1 OR test2=2",
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{},
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)
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def test_add_where_clauses_with_duplicated_field():
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sql = "UPDATE table SET test1=%(test1)s"
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params = dict(test1="new_value")
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where_clauses = dict(test1="where_value")
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assert PgDB._add_where_clauses(sql, params, where_clauses) == (
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sql + ' WHERE "test1" = %(test1_1)s',
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dict(test1="new_value", test1_1="where_value"),
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)
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def test_quote_table_name():
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assert PgDB._quote_table_name("mytable") == '"mytable"'
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assert PgDB._quote_table_name("myschema.mytable") == '"myschema"."mytable"'
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def test_insert(mocker, test_pgdb):
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values = dict(test1=1, test2=2)
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mocker.patch(
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"mylib.pgsql.PgDB.doSQL",
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generate_mock_doSQL(
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'INSERT INTO "mytable" ("test1", "test2") VALUES (%(test1)s, %(test2)s)', values
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),
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)
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assert test_pgdb.insert("mytable", values)
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def test_insert_just_try(mocker, test_pgdb):
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mocker.patch("mylib.pgsql.PgDB.doSQL", mock_doSQL_just_try)
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assert test_pgdb.insert("mytable", dict(test1=1, test2=2), just_try=True)
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def test_update(mocker, test_pgdb):
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values = dict(test1=1, test2=2)
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where_clauses = dict(test3=3, test4=4)
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mocker.patch(
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"mylib.pgsql.PgDB.doSQL",
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generate_mock_doSQL(
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'UPDATE "mytable" SET "test1" = %(test1)s, "test2" = %(test2)s WHERE "test3" ='
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' %(test3)s AND "test4" = %(test4)s',
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dict(**values, **where_clauses),
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),
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)
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assert test_pgdb.update("mytable", values, where_clauses)
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def test_update_just_try(mocker, test_pgdb):
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mocker.patch("mylib.pgsql.PgDB.doSQL", mock_doSQL_just_try)
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assert test_pgdb.update("mytable", dict(test1=1, test2=2), None, just_try=True)
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def test_delete(mocker, test_pgdb):
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where_clauses = dict(test1=1, test2=2)
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mocker.patch(
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"mylib.pgsql.PgDB.doSQL",
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generate_mock_doSQL(
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'DELETE FROM "mytable" WHERE "test1" = %(test1)s AND "test2" = %(test2)s', where_clauses
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),
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)
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assert test_pgdb.delete("mytable", where_clauses)
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def test_delete_just_try(mocker, test_pgdb):
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mocker.patch("mylib.pgsql.PgDB.doSQL", mock_doSQL_just_try)
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assert test_pgdb.delete("mytable", None, just_try=True)
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def test_truncate(mocker, test_pgdb):
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mocker.patch("mylib.pgsql.PgDB.doSQL", generate_mock_doSQL('TRUNCATE TABLE "mytable"', None))
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assert test_pgdb.truncate("mytable")
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def test_truncate_just_try(mocker, test_pgdb):
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mocker.patch("mylib.pgsql.PgDB.doSQL", mock_doSelect_just_try)
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assert test_pgdb.truncate("mytable", just_try=True)
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def test_select(mocker, test_pgdb):
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fields = ("field1", "field2")
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where_clauses = dict(test3=3, test4=4)
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expected_return = [
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dict(field1=1, field2=2),
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dict(field1=2, field2=3),
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]
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order_by = "field1, DESC"
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mocker.patch(
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"mylib.pgsql.PgDB.doSelect",
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generate_mock_doSQL(
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'SELECT "field1", "field2" FROM "mytable" WHERE "test3" = %(test3)s AND "test4" ='
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" %(test4)s ORDER BY " + order_by,
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where_clauses,
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expected_return,
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),
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)
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assert test_pgdb.select("mytable", where_clauses, fields, order_by=order_by) == expected_return
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def test_select_without_field_and_order_by(mocker, test_pgdb):
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mocker.patch("mylib.pgsql.PgDB.doSelect", generate_mock_doSQL('SELECT * FROM "mytable"'))
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assert test_pgdb.select("mytable")
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def test_select_just_try(mocker, test_pgdb):
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mocker.patch("mylib.pgsql.PgDB.doSQL", mock_doSelect_just_try)
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assert test_pgdb.select("mytable", None, None, just_try=True)
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#
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# Tests on main methods
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#
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def test_connect(mocker, test_pgdb):
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expected_kwargs = dict(
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dbname=test_pgdb._db, user=test_pgdb._user, host=test_pgdb._host, password=test_pgdb._pwd
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)
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mocker.patch("psycopg2.connect", generate_mock_args(expected_kwargs=expected_kwargs))
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assert test_pgdb.connect()
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def test_close(fake_pgdb):
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assert fake_pgdb.close() is None
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def test_close_connected(fake_connected_pgdb):
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assert fake_connected_pgdb.close() is None
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def test_setEncoding(fake_connected_pgdb):
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assert fake_connected_pgdb.setEncoding("utf8")
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def test_setEncoding_not_connected(fake_pgdb):
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assert fake_pgdb.setEncoding("utf8") is False
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def test_setEncoding_on_exception(fake_connected_pgdb):
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fake_connected_pgdb._conn.expected_exception = True
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assert fake_connected_pgdb.setEncoding("utf8") is False
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def test_doSQL(fake_connected_pgdb):
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fake_connected_pgdb._conn.expected_sql = "DELETE FROM table WHERE test1 = %(test1)s"
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fake_connected_pgdb._conn.expected_params = dict(test1=1)
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fake_connected_pgdb.doSQL(
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fake_connected_pgdb._conn.expected_sql, fake_connected_pgdb._conn.expected_params
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)
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def test_doSQL_without_params(fake_connected_pgdb):
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fake_connected_pgdb._conn.expected_sql = "DELETE FROM table"
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fake_connected_pgdb.doSQL(fake_connected_pgdb._conn.expected_sql)
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def test_doSQL_just_try(fake_connected_just_try_pgdb):
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assert fake_connected_just_try_pgdb.doSQL("DELETE FROM table")
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def test_doSQL_on_exception(fake_connected_pgdb):
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fake_connected_pgdb._conn.expected_exception = True
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assert fake_connected_pgdb.doSQL("DELETE FROM table") is False
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def test_doSelect(fake_connected_pgdb):
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fake_connected_pgdb._conn.expected_sql = "SELECT * FROM table WHERE test1 = %(test1)s"
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fake_connected_pgdb._conn.expected_params = dict(test1=1)
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fake_connected_pgdb._conn.expected_return = [dict(test1=1)]
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assert (
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fake_connected_pgdb.doSelect(
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fake_connected_pgdb._conn.expected_sql, fake_connected_pgdb._conn.expected_params
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)
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== fake_connected_pgdb._conn.expected_return
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)
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def test_doSelect_without_params(fake_connected_pgdb):
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fake_connected_pgdb._conn.expected_sql = "SELECT * FROM table"
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fake_connected_pgdb._conn.expected_return = [dict(test1=1)]
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assert (
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fake_connected_pgdb.doSelect(fake_connected_pgdb._conn.expected_sql)
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== fake_connected_pgdb._conn.expected_return
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)
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def test_doSelect_on_exception(fake_connected_pgdb):
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fake_connected_pgdb._conn.expected_exception = True
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assert fake_connected_pgdb.doSelect("SELECT * FROM table") is False
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def test_doSelect_just_try(fake_connected_just_try_pgdb):
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fake_connected_just_try_pgdb._conn.expected_sql = "SELECT * FROM table WHERE test1 = %(test1)s"
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fake_connected_just_try_pgdb._conn.expected_params = dict(test1=1)
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fake_connected_just_try_pgdb._conn.expected_return = [dict(test1=1)]
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assert (
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fake_connected_just_try_pgdb.doSelect(
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fake_connected_just_try_pgdb._conn.expected_sql,
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fake_connected_just_try_pgdb._conn.expected_params,
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)
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|
== fake_connected_just_try_pgdb._conn.expected_return
|
|
)
|